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LM2940G-XX-TN3-R Scheda tecnica(PDF) 3 Page - Unisonic Technologies

Il numero della parte LM2940G-XX-TN3-R
Spiegazioni elettronici  1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR
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Produttore elettronici  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

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LM2940
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 12
www.unisonic.com.tw
QW-R102-016.L
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
26
V
Power Dissipation
PD
Internally limited
Junction Temperature
TJ
+150
°C
Ambient Operating
Temperature
TO-220/TO-263-3/TO-263
TOPR
-40 ~ +125
°C
SOT-223/ TO-252
-40 ~ +85
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATING
UNIT
Junction to Ambient
SOT-223
θJA
174
°C/W
TO-220
60
TO-263/TO-263-3
80
TO-252
125
Junction to Case
TO-220/ TO-263/TO-263-3
θJC
4
°C/W
TO-252
12
SOT-223
15
ELECTRICAL CHARACTERISTICS
(TA=TJ =25°C, VIN=VOUT+5V, IOUT=1A and COUT=22μF, unless otherwise specified.)
For LM2940-5.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
6.25V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
4.85
5.00
5.15
V
Line Regulation
VOUT
VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA
20
50
mV
Load Regulation
VOUT
50mA ≤ IOUT ≤ 1A
35
50
mV
Output Impedance
ROUT
100 mA DC and 20mARMS, fO=120Hz
35
mΩ
Quiescent Current
IQ
VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA
10
15
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT=5mA
150
μVRMS
Ripple Rejection
RR
fO=120Hz, 1VRMS, IOUT=100mA
54
72
dB
Long Term Stability
20
mV/1000Hr
Dropout Voltage
VD
IOUT=1A
0.5
0.8
V
IOUT=100mA
0.13
0.15
Short Circuit Current
ISC
(Note)
2.5
A
Maximum Line Transient
TIN
ROUT=100Ω, T ≤ 100ms
60
75
V
Reverse Polarity DC Input Voltage
VRIN
ROUT=100Ω
-15
-30
V
Reverse Polarity Transient
Input Voltage
VTRRI
ROUT=100Ω, T ≤ 100ms
-50
-75
V


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